Every flu season, injectable vaccines prime the immune system to produce antibodies that circulate through the bloodstream.

Deep in the lungs, resident memory B cells stand guard against influenza reinfection—but whether they remain there may depend ...

We're keeping an eye on new influenza and SARS-CoV-2 viral variants. Here's what we know about those viruses—and your immune ...

A different purpose has attracted attention for treating skin damage rather than simply preventing it. Dermcidin was ...

An army of flu-fighting immune cells lives on in the nose long after infection.

Many humans may already have some immunity to H5N1 bird flu, raising hopes that the virus could pose less of a threat than ...

Seasonal influenza vaccination was associated with a reduced risk for progression to lower respiratory tract disease and hospitalisation in allogeneic haematopoietic stem cell transplant (allo-HCT) ...

Everything you need to know about the flu vaccine, including the nasal spray, egg-free options, who it’s free for and what to ...